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Milton Artur Ruiz, Roberto Luiz Kaiser Junior, Lilian Piron-Ruiz, Tatiana Peña-Arciniegas, Priscila Samara Saran, Luiz Gustavo De Quadros 
World J Stem Cells 10(10):134-137. Published online Oct 26, 2018. doi: 10.4252/wjsc.v10.i10.134
Retrospective Cohort Study